# SDR DHL2007742045

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 2007
- Submitted: February 17, 2008
- Operation: Air carrier
- Aircraft: N742DH
- Make and model: Boeing 727225
- Aircraft serial: 21290
- Aircraft time: 60,719 hours, 38,406 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Corroded
- Location: Bs 720f-740 S26r
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL2007742045

## Discrepancy

FORWARD CARGO COMPARTMENT STRINGER 26R IS HEAVILY CORRODED BETWEEN STATION 720F TO 740.  CUT OUT DAMAGE AREA 9.5" AT STRINGER 26R BETWEEN STATION 720F - 740 IAW B-727 SRM 53-10-3 FIGURE 1.  FABRICATED NEW SECTION, MATERIAL USED BAC 1498-147 0.090" 7075-T6 PO NR 7332258 DIMENSION 9.25" AND SPLICED MATERIAL USED BAC 1498-13107075-T6 PO NR 7332231 DIMENSION 11.25" IAW B-727 SRM 53-10-3 FIGURE 1 AND 53-10-2 FIGURE 5.  TREATED AND PRIMED IAW B-727 SRM 51-10-2.  INSTALLED REPAIR PARTS IAW B-727 SRM 53-10-3 FIGURE 1 AND 51-30-2.

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